1998 Buick Regal vs. 2003 Buick Rainier
To start off, 2003 Buick Rainier is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Buick Regal. In addition, the cost of maintenance, including insurance, on 1998 Buick Regal would be higher. At 4,195 cc (6 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2003 Buick Rainier (271 HP @ 6000 RPM) has 66 more horse power than 1998 Buick Regal. (205 HP @ 5200 RPM) In normal driving conditions, 2003 Buick Rainier should accelerate faster than 1998 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 606 kg more than 1998 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 1998 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rainier will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Buick Rainier (373 Nm) has 61 more torque (in Nm) than 1998 Buick Regal. (312 Nm). This means 2003 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 1998 Buick Regal.
Compare all specifications:
| 1998 Buick Regal | 2003 Buick Rainier | |
| Make | Buick | Buick |
| Model | Regal | Rainier |
| Year Released | 1998 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 271 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 312 Nm | 373 Nm |
| Engine Bore Size | 96.5 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 102 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1494 kg | 2100 kg |
| Vehicle Length | 4990 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1920 mm |
| Vehicle Height | 1440 mm | 1900 mm |
| Wheelbase Size | 2780 mm | 2880 mm |
| Fuel Tank Capacity | 68 L | 83 L |
